export default {

  name: "MyComponent",
  data() {
    return {
      foo: "hello world"
    }
  },
  props: {
    title: " A title",
  },
  setup(props, {
    emit
  }) {
    emit("change", 1, 2, 3, 4)
    return function () {
      console.log("你好啊", this)
      return {
        type: "div",
        children: `我是文本${this.title}`
      }
    }
  }

}